CN103305017A - Preparation method of pavement material with self-adapting pavement temperature adjustment function - Google Patents
Preparation method of pavement material with self-adapting pavement temperature adjustment function Download PDFInfo
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- CN103305017A CN103305017A CN2013102616719A CN201310261671A CN103305017A CN 103305017 A CN103305017 A CN 103305017A CN 2013102616719 A CN2013102616719 A CN 2013102616719A CN 201310261671 A CN201310261671 A CN 201310261671A CN 103305017 A CN103305017 A CN 103305017A
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Abstract
The invention discloses a preparation method of a pavement material with a self-adapting pavement temperature adjustment function. The preparation method comprises the following steps of: preparing a part A, preparing a part B, and uniformly mixing the part A with the part B according to a mass ratio of 2.0:1-8:1, wherein the part A is composed of 40-84 parts of maleimide modified asphalt, 5-10 parts of fatty amine, 15-35 parts of polyamide/polyether amine and 1-15 parts of compatibilizer; and the part B is a microcapsule added with heat storage materials with respective phase transition temperatures of minus 10-10 DEG C and/or 30-60 DEG C in epoxy resin, and 55-85 parts of epoxy resin and 15-45 parts of microcapsule are respectively distributed. The pavement temperature adjustment material can be both sprayed onto the original asphalt pavement to serve as a temperature adjustment layer and added with a proper dosage of aggregate to serve as road surface wear layer capable of self-adapting to the environment temperature. By adopting the preparation method disclosed by the invention, the high and low temperature stability and fatigue performance of asphalt pavement are greatly improved, and the service life of the pavement is prolonged.
Description
Technical field
The present invention relates to a kind of pavement temperature and regulate its preparation method of material, specifically a kind of preparation method with adding the surfacing material that can regulate the adaptive pavement temperature of envrionment temperature for preparing in the epoxy bitumen material behind the microcapsule sealing phase-change thermal storage material.
Background technology
Pitch is typically used as paves the way and water-proof material, belongs in essence a kind of thermoplastic material.This property list is used the road surface of asphalt paving now, and in summer high-temperature season, the road surface is prone to rut under the heavy lift effect, in cold season in winter, is prone to warm draw seam.Along with the frequent appearance of extreme climate and the surge of traffic volume of highway, the temperature stability of pavement material is had higher requirement.Therefore, modifying asphalt is generally adopted in the high-grade paving of most.
The method of asphalt modification is more, as a whole, mostly is both at home and abroad the usefulness polymer modified asphalt.Polymer modified asphalt mainly contains two kinds, and a kind of is thermoplastic pitch, and they can improve the high temperature performance of pitch to a great extent; Another kind is heat cured epoxy resin modified asphalt, and they have fundamentally changed the thermoplasticity of pitch so that the high temperature performance of pitch has had qualitative leap.But these two kinds of approach all are subject to the cost restriction, and can't use on built road surface.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of surfacing material of adaptive pavement temperature adjusting, the present invention has adopted the microcapsulary material that transformation temperature is lower, add in the bituminous material after the sealing, cooperate the higher material of transformation temperature, join in the quick-setting two component epoxy pitch and to form in the bituminous epoxy temperature regulation material, the material that obtains is sprayed at existing asphalt pavement surface.Firmly stick on original asphalt pavement after this bituminous epoxy layer solidifies rapidly and use as the temperature regulation layer, have high strength, high-elongation, fatigue performance excellence, can effectively reduce pavement temperature susceptibility.
The objective of the invention is to be achieved through the following technical solutions:
The preparation method of the surfacing material that a kind of adaptive pavement temperature is regulated is characterized in that the method may further comprise the steps:
1) preparation A part
The matrix pitch that is warmed up to 90-140 ℃ is added reactor, the maleimide or derivatives thereof of the 2-20% of asphalt quality is joined in the reactor, be warmed up to 140-160 ℃ of reaction 3-6 hour, after cool to gradually pre-mixing other component of A part completely that 100-110 ℃ of adding is warming up to 90-140 ℃ in advance, disperse just to obtain the A part by high speed dispersion machine tools such as colloidal mills more at last, the quality group of A part becomes: maleimide modifying asphalt 40-84 part, aliphatic amide 5-10 part, polymeric amide 15-35 part, compatilizer 1-15 part;
2) preparation B part
Under 40 ℃-80 ℃, microcapsule are dispersed in by stirring obtain the B part in the Resins, epoxy, the quality group of B part becomes: microcapsule 15-45 part of Resins, epoxy 55-85 part, interior bag phase-change heat-storage material;
3) be that the 2.0:1-8:1 ratio mixes with the A part with B mass ratio partly, namely get the surfacing material that adaptive pavement temperature is regulated.
Among the present invention, described maleimide modifying asphalt is to make with maleimide and derivative thereof and matrix pitch reaction.Described matrix pitch can be petroleum pitch, oxidized bitumen, coal-tar pitch or lake pitch.Can choose one or several mixture wherein.
Described aliphatic amide refers to contain the aliphatic amide of 3 above reactive hydrogens, can be polyamines polyene, polymethylene Diamines, also can be diamines corresponding to C 5 fraction and unsaturated aliphatic diamines, can also be the diamines that contains aromatic nucleus.Can choose one or several mixture wherein.
Described polymeric amide can be low-molecular-weight polyamide resin and modified resin thereof, be preferably 40 ℃ of viscosity 3,000-80,000mPa.s between, the low-molecular-weight polyamide resin of amine value within 50mgKOH/g-500mgKOH/g, preferred 40 ℃ of viscosity are 5,000-50,000mPa.s within, the polyamide resin of amine value within 150mgKOH/g-300mgKOH/g, as river, capital 9650, Versamid 140 and Fuji change into 2154,215X etc.Both can choose wherein a kind of, also can choose wherein several mixtures.
Described compatilizer can be the extraction oil of furfural section in the oil refining, and hydrogen phosphide cumene decomposes the phenolic aldehyde residual oil that distillates, and pine tar is rubber oil, and coal tar is rubber oil, also can be the petroleum rubber oils such as paraffinic base, cycloalkyl or aryl.More excellent selection is that the furfural section in the oil refining is extracted oil and petroleum rubber oil out.Both can choose wherein a kind of, also can choose wherein several mixtures.
The preparation method of described microcapsule does not limit, but good with epoxy resin compatibility, and heat resisting temperature is more than 80 ℃.The phase-change heat-storage material that microcapsule include is the two kinds of phase change materials (or mixture) between solid-liquid or the solid-solid phase-change temperature-10 ℃-10 ℃ and/or 30 ℃-60 ℃, wherein the phase alternating temperature 30 ℃ of-60 ℃ of phase-change heat-storage materials be between phase change material, can be paraffin, lipid acid, polyoxyethylene glycol, polyoxyethylene and modifier such as fatty alcohol-polyoxyethylene ether etc.; Wherein the phase alternating temperature-10 ℃ of-10 ℃ of phase-change heat-storage materials be between phase change material, can be ethylene glycol, glycerine, low molecular poly etc.
Can change the performance of epoxy bitumen material to satisfy the different requirements under the different condition by the ratio of adjusting A each component partly.
The present invention with warm phase-change heat-storage material in rear cooperation of form encapsulation of microcapsule, is dispersed in the low temperature phase change heat accumulating in the epoxy component of quick-setting two component epoxy pitch, after the high-speed mixing, is sprayed at existing asphalt pavement surface.Firmly stick on original asphalt pavement after this bituminous epoxy layer solidifies rapidly and use as the temperature regulation layer.
The present invention at first carries out functional modification with matrix pitch, and is shown in Figure 2 such as Fig. 1, makes the solidifying agent that itself becomes a kind of Resins, epoxy; Then add preferred amine curing agent phase-change heat-storage material, obtain bituminous epoxy A component, in Resins, epoxy, add the pressure-sensitive microcapsule that comprise phase-change heat-storage material and obtain bituminous epoxy B component.The two component epoxy pitch for preparing like this, curing speed is very fast and controlled, product property is adjustable, itself has excellent high temperature performance, both can satisfy as the paving wearing course and use, also phase-change heat-storage material is firmly coated simultaneously with wherein, realized the adjusting to envrionment temperature.
Bituminous epoxy has formed a kind of network structure of 3 D stereo behind curing reaction, the inierpeneirating network structure of this 3 D stereo provides theoretical foundation for its high strength, snappiness.Include the adding of phase-change heat-storage material microcapsule, so that this bituminous epoxy wearing course effectively reduces the temperature sensitivity of lower floor's bituminous pavement as reservoir, therefore, prolonged the work-ing life of bituminous pavement from two aspects.
Accordingly, the invention provides have high strength, high-elongation, fatigue performance are excellent, bituminous epoxy phase-change heat-storage material and the technology of preparing thereof that can effectively reduce pavement temperature susceptibility.
During use, be warmed up to the A that requires temperature, B two portions on request ratio mix, namely get high-performance thermosetting epoxy asphalt material of the present invention, can be sprayed within a certain period of time on road surface or the steel plate as the bituminous epoxy bonding layer material; Gather materials if admix according to certain bitumen aggregate ratio again, can mat formation within a certain period of time on the road surface and compacting.
Pavement temperature of the present invention is regulated the existing high intensity of surfacing material, and good snappiness is arranged again, and the corresponding operating time can also be provided according to different requirements; Also can arbitrarily adjust and satisfy the different performance requirement, stability in storage is good, corresponding epoxy asphalt concrete fatigue performance is excellent, mat formation finish after rapid open to traffic, be applicable to the occasion that motorway and bridge etc. are had relatively high expectations, also can be used for arterial street, Bus stand and airstrip.
The present invention has adopted the microcapsulary material that transformation temperature is lower, such as ethylene glycol, glycerine etc., add in the bituminous material after the sealing, cooperate the higher material of transformation temperature, such as paraffin, glycerine, (gathering) ethylene glycol, Soxylat A 25-7 and modifier thereof etc., join and form bituminous epoxy temperature regulation material in the quick-setting two component epoxy pitch, be sprayed directly on the road surface or add the temperature regulation layer that suitably gathers materials as the road surface and use.Present method has been improved high low-temperature stability and the fatigue property of bituminous pavement greatly, has effectively prolonged the work-ing life on road surface.
Description of drawings
Fig. 1 is the mechanism schematic diagram of maleimide modifying asphalt.
Fig. 2 is
NThe mechanism schematic diagram of-phenyl maleimide modifying asphalt.
Embodiment
The present invention is further described below by specific embodiment, but embodiment all is not limitation of the present invention.
Embodiment 1
47 parts of addings of petroleum pitch (U.S.'s shell) reactor with being warmed up to 90 ℃ adds
N3 parts of-phenyl maleimides, be warmed up to 155 ℃, react after 4 hours, then cool to gradually 110 ℃, add 10.45 parts of diaminodiphenyl-methanes being warming up in advance 120 ℃, Fuji changes into 2154,25 parts, 8 parts of naphthenic rubber oil, pre-mixing 30 minutes, and then obtain the A part by the colloidal mill high speed dispersion, in the 3.6:1 ratio with A part and B part epoxy (E-44, Wuxi resin processing plant, wherein microcapsule quality: Resins, epoxy quality=35:65 and microcapsule core are Macrogol 200 and the paraffin of 1:1) mix, admix by the bitumen aggregate ratio of 5-8% again and gather materials, be incubated 50 minutes, carry out road pavement.
Embodiment 2
44 parts of addings of petroleum pitch (U.S.'s shell) reactor with being warmed up to 100 ℃ adds
N6 parts of-phenyl maleimides, be warmed up to 150 ℃, react after 4 hours, then cool to gradually 100 ℃, add 10.45 parts of diaminodiphenyl-methanes being warming up in advance 100 ℃, Fuji changes into 2154,25 parts, 8 parts of naphthenic rubber oil, pre-mixing 30 minutes, and then obtain the A part by the colloidal mill high speed dispersion, in the 3.8:1 ratio with A part and B part epoxy (E-44, Wuxi resin processing plant, microcapsule quality wherein: Resins, epoxy quality=35:65 and microcapsule core are Macrogol 200 and the paraffin of 1:1) mix, this material can be used as the tack coat of mating formation and uses.As in the 3.8:1 ratio with A part and B partially mixed evenly after, admix by the bitumen aggregate ratio of 5-8% again and gather materials, the layer that then can be used for mating formation carries out road pavement.
Embodiment 3
47 parts of addings of oxidized bitumen (state-run middle prompt friendship farm six another arena oxidized bitumen factories) reactor with being warmed up to 140 ℃ adds
N3 parts of-phenyl maleimides are warmed up to 150 ℃, react after 4 hours, then cool to gradually 110 ℃, and add 18.4 parts of the diaminodiphenyl-methanes, the Fuji that are warming up in advance 100 ℃ and change into 215X, 17 parts, 7.6 parts of aryl rubber oils, pre-mixing 30 minutes; And then obtain the A part by the colloidal mill high speed dispersion, in the 4.3:1 ratio with A part and B part epoxy (E-44, Wuxi resin processing plant, microcapsule quality wherein: Resins, epoxy quality=20:80 and microcapsule core are ethylene glycol and the OP-10 of 2:1) mix, admix by the bitumen aggregate ratio of 5-8% again and gather materials, be incubated 50 minutes, carry out road pavement.
Claims (7)
1. the preparation method of the surfacing material regulated of an adaptive pavement temperature is characterized in that the method may further comprise the steps:
1) preparation A part
The matrix pitch that is warmed up to 90-140 ℃ is added reactor, the maleimide or derivatives thereof of the 2-20% of asphalt quality is joined in the reactor, be warmed up to 140-160 ℃ of reaction 3-6 hour, after cool to gradually pre-mixing other component of A part completely that 100-110 ℃ of adding is warming up to 90-140 ℃ in advance, last redispersion evenly just obtains the A part, and the quality group of A part becomes: maleimide modifying asphalt 40-84 part, aliphatic amide 5-10 part, polymeric amide 15-35 part, compatilizer 1-15 part;
2) preparation B part
Under 40 ℃-80 ℃, microcapsule are dispersed in by stirring obtain the B part in the Resins, epoxy, the quality group of B part becomes: microcapsule 15-45 part of Resins, epoxy 55-85 part, interior bag phase-change heat-storage material;
3) be that the 2.0:1-8:1 ratio mixes with the A part with B mass ratio partly, namely get the surfacing material that adaptive pavement temperature is regulated.
2. the preparation method of the surfacing material of adaptive pavement temperature adjusting according to claim 1 is characterized in that described matrix pitch is petroleum pitch, oxidized bitumen, coal-tar pitch or lake pitch.
3. the preparation method of the surfacing material regulated of adaptive pavement temperature according to claim 1, it is characterized in that: described aliphatic amide refers to contain the aliphatic amide of 3 above reactive hydrogens, polyamines polyene, polymethylene Diamines, or corresponding diamines and the unsaturated aliphatic diamines of C 5 fraction, or contain the diamines of aromatic nucleus; Or one or several the mixture in above-mentioned.
4. the preparation method of the surfacing material regulated of adaptive pavement temperature according to claim 1, it is characterized in that: described polymeric amide is low-molecular-weight polyamide resin and modified resin thereof, 40 ℃ of viscosity are 3,000-80,000mPa.s within, the mixture of one or more in the low-molecular-weight polyamide resin of amine value within 50mgKOH/g-500mgKOH/g.
5. the preparation method of the surfacing material regulated of adaptive pavement temperature according to claim 1, it is characterized in that: described compatilizer is the extraction oil of furfural section in the oil refining, hydrogen phosphide cumene decomposes the phenolic aldehyde residual oil that distillates, pine tar is rubber oil, coal tar is rubber oil, or paraffinic base, cycloalkyl or aromatic base crude are one or more the mixture in the rubber oil.
6. the preparation method of the surfacing material regulated of adaptive pavement temperature according to claim 1, it is characterized in that: the phase-change heat-storage material that described microcapsule include is two kinds of phase change materials between solid-liquid or the solid-solid phase-change temperature-10 ℃-10 ℃ and/or 30 ℃-60 ℃, and wherein the phase alternating temperature is one or more mixtures in paraffin, lipid acid, polyoxyethylene glycol, polyoxyethylene and modifier thereof such as the fatty alcohol-polyoxyethylene ether at 30 ℃ of-60 ℃ of phase-change heat-storage materials; Wherein the phase alternating temperature is one or more mixtures in ethylene glycol, glycerine, the low molecular poly at-10 ℃ of-10 ℃ of phase-change heat-storage materials.
7. the preparation method of the surfacing material regulated of adaptive pavement temperature according to claim 1, it is characterized in that: described microcapsule and Resins, epoxy have consistency, and heat resisting temperature is more than 80 ℃.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105838096A (en) * | 2016-06-03 | 2016-08-10 | 山东交通学院 | Anti-icing deicing asphalt based on phase-change energy storage exothermic material and preparation method thereof |
| CN112063162A (en) * | 2020-08-19 | 2020-12-11 | 浙江理工大学 | Spinning-grade polyamide composite fatty amine shaping energy storage material and preparation method thereof |
| CN113913112A (en) * | 2021-11-23 | 2022-01-11 | 交通运输部科学研究院 | Phase-change anti-freezing material and pavement anti-freezing fine surface construction method |
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| US20060089428A1 (en) * | 2003-02-25 | 2006-04-27 | Toshiyuki Hakata | Paving resin composition, paving asphalt composition, and method for producing paving asphalt composition |
| CN101397358A (en) * | 2008-10-31 | 2009-04-01 | 句容市宁武化工有限公司 | Method for preparing modified asphalt |
| US20090088497A1 (en) * | 2005-08-24 | 2009-04-02 | Petro Chemicals Co., Ltd. | Paving material and method for construction of paved body using the same |
| CN103146205A (en) * | 2013-03-04 | 2013-06-12 | 西北农林科技大学 | High-performance epoxy asphalt composite material capable of enabling roads to be rapidly open to traffic and preparation method thereof |
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2013
- 2013-06-27 CN CN201310261671.9A patent/CN103305017B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060089428A1 (en) * | 2003-02-25 | 2006-04-27 | Toshiyuki Hakata | Paving resin composition, paving asphalt composition, and method for producing paving asphalt composition |
| US20090088497A1 (en) * | 2005-08-24 | 2009-04-02 | Petro Chemicals Co., Ltd. | Paving material and method for construction of paved body using the same |
| CN101397358A (en) * | 2008-10-31 | 2009-04-01 | 句容市宁武化工有限公司 | Method for preparing modified asphalt |
| CN103146205A (en) * | 2013-03-04 | 2013-06-12 | 西北农林科技大学 | High-performance epoxy asphalt composite material capable of enabling roads to be rapidly open to traffic and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105838096A (en) * | 2016-06-03 | 2016-08-10 | 山东交通学院 | Anti-icing deicing asphalt based on phase-change energy storage exothermic material and preparation method thereof |
| CN105838096B (en) * | 2016-06-03 | 2018-07-06 | 山东交通学院 | A kind of anti-icing ice-melt pitch based on phase-change accumulation energy exothermic material and preparation method thereof |
| CN112063162A (en) * | 2020-08-19 | 2020-12-11 | 浙江理工大学 | Spinning-grade polyamide composite fatty amine shaping energy storage material and preparation method thereof |
| CN113913112A (en) * | 2021-11-23 | 2022-01-11 | 交通运输部科学研究院 | Phase-change anti-freezing material and pavement anti-freezing fine surface construction method |
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Effective date of registration: 20130916 Address after: 212405 Zhenjiang City, Jiangsu city of Jurong province Chen Wu Chen (Chen Yang Zhuangduan sentence sentence Highway Road on the north side of building 34) Applicant after: Jurong Ningwu New High-Tech Development Co., Ltd. Applicant after: Kang Yang Address before: 212405 Zhenjiang City, Jiangsu city of Jurong province Chen Wu Chen (Chen Yang Zhuangduan sentence sentence Highway Road on the north side of building 34) Applicant before: Jurong Ningwu New High-Tech Development Co., Ltd. |
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